Downtown (Boise) Weather Forecast

    • 29
    • 42

    Mostly Cloudy

    • 26
    • 41

    Mostly Cloudy

    • 23
    • 40

    Mostly Sunny

    • 26
    • 39

    Chance Snow

    • 23
    • 37

    Slight Chance Snow

    • 26
    • 38

    Mostly Cloudy

Today 21 Jan Upper Treasure Valley

Mostly cloudy. Highs 37 to 42. Light Winds.

Tonight 21 Jan Upper Treasure Valley

Mostly cloudy. Lows 24 to 29. Light Winds.

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Downtown (Boise) Temperature Statistics

January Temperature

Boise Air Terminal (3.7 miles)

  • Lowest 19 January, 2021

    21 °F
  • Average January

    35.3 °F
  • Highest 3 January, 2021

    50 °F

Climate (2010–Present)

Boise Air Terminal (3.7 miles)

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  • Average Low 2010–Present

    43.1 °F
  • Average 2010–Present

    53.4 °F
  • Average High 2010–Present

    64.3 °F
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